Egusi (C. lanatus) is a wild melon, similar in appearance to the watermelon. The flesh is inedible, but the seeds are a valuable food source in Africa. Other species that have the same culinary role, and that are also called egusi include Cucumeropsis mannii and Lagenaria siceraria.
2. alveolitis-inflammation of the alveoli in the lungs caused by inhaling dust; with repeated exposure the condition may become chronic. farmer's lung, thresher's lung-alveolitis caused by an allergic reaction to fungal spores in the dust that is inhaled from moldy hay.
Definition of ALVEOLUS. 1. : a small cavity or pit: as a: a socket in the jaw for a tooth b: a small air-containing compartment of the lungs in which the bronchioles terminate and from which respiratory gases are exchanged with the pulmonary capillaries c: an acinus of a compound gland d: a cell of a honeycomb.2.efinition of ALVEOLUS. 1. : a small cavity or pit: as a: a socket in the jaw for a tooth b: a small air-containing compartment of the lungs in which the bronchioles terminate and from which respiratory gases are exchanged with the pulmonary capillaries c: an acinus of a compound gland d: a cell of a honeycomb.